| MMDBr0024401 | L-Serine | Adenosine 3',5'-diphosphate | Holo-[acyl-carrier-protein] synthase | Dehydrogenation; Synthesis | Not Available | 0 | 588 | RHEA |
| MMDBr0024411 | L-Serine | Hydrogen Ion | Type-2 serine--tRNA ligase | Ligation | Not Available | 0 | 802 | RHEA |
| MMDBr0024412 | L-Serine | Hydrogen Ion | Serine--tRNA ligase, cytoplasmic | Ligation | Not Available | 0 | 1 | RHEA |
| MMDBr0024530 | L-Serine | diphosphate | Apo-citrate lyase phosphoribosyl-dephospho-CoA transferase | Non-hydrolytic bond cleavage (or its reversal) | Not Available | 0 | 36 | RHEA |
| MMDBr0024547 | L-Serine | CMP | CDP-diacylglycerol--serine O-phosphatidyltransferase | Transfer of CDP-diacylglycerol--serine O-phosphatidyl group | Not Available | 0 | 13 | RHEA |
| MMDBr0024562 | L-Serine | dolichyl phosphate | Probable dolichyl-phosphate-mannose--protein mannosyltransferase | Transfer of a mannosyl group | Not Available | 0 | 19 | RHEA |
| MMDBr0024572 | L-Serine | 5'-Deoxyadenosine | Serine-type anaerobic sulfatase-maturating enzyme | Not Available | Not Available | 0 | 3 | RHEA |
| MMDBr0024586 | L-Serine | Hydrogen Ion | Probable bifunctional tRNA threonylcarbamoyladenosine biosynthesis protein | Phosphorylation; Synthesis | Not Available | 0 | 861 | RHEA |
| MMDBr0024587 | L-Serine | Hydrogen Ion | Mitogen-activated protein kinase kinae mkk2 | Phosphorylation | Not Available | 0 | 18 | RHEA |
| MMDBr0024728 | L-Serine | Hydrogen Ion | [Pyruvate dehydrogenase (acetyl-transferring)] kinase 1, mitochondrial | Dehydrogenation; Phosphorylation | Not Available | 0 | 3 | RHEA |
| MMDBr0025060 | L-Serine | Hydrogen Ion | Type-2 serine--tRNA ligase | Ligation | Not Available | 0 | 802 | RHEA |
| MMDBr0025067 | L-Serine | diphosphate | Phosphoribosyl-dephospho-CoA transferase | Transfer of phosphoribosyl-dephospho-CoA | Not Available | 0 | 17 | RHEA |
| MMDBr0025149 | L-Serine | Hydrogen Ion | Isocitrate dehydrogenase kinase/phosphatase | Dehydrogenation; Phosphorylation | Not Available | 0 | 122 | RHEA |
| MMDBr0025218 | L-Serine | Adenosine 3',5'-diphosphate | Enterobactin synthase component D | Synthesis | Not Available | 0 | 11 | RHEA |
| MMDBr0025235 | L-Serine | Hydrogen Ion | HPr kinase/phosphorylase | Phosphorylation | Not Available | 0 | 214 | RHEA |
| MMDBr0025236 | Hydrogen Ion | L-Serine | HPr kinase/phosphorylase | Phosphorylation | Not Available | 0 | 214 | RHEA |
| MMDBr0025296 | L-Serine | Adenosine 3',5'-diphosphate | Enterobactin synthase component D | Synthesis | Not Available | 0 | 6 | RHEA |
| MMDBr0025584 | L-Serine | CMP | Phosphocholine transferase AnkX | Transfer of phosphocholine | Not Available | 0 | 1 | RHEA |
| MMDBr0025654 | L-Serine | diphosphate | Protein adenylyltransferase SelO | Reversible transfer of an adenylyl group | Not Available | 0 | 254 | RHEA |
| MMDBr0025655 | L-Serine | diphosphate | Protein adenylyltransferase SelO | Reversible transfer of an adenylyl group | Not Available | 0 | 254 | RHEA |
| MMDBr0025680 | L-Serine | CoA | Serine/threonine-protein acetyltransferase YopJ | N-Acetylation | Not Available | 0 | 8 | RHEA |
| MMDBr0025681 | L-Serine | CoA | Serine/threonine-protein acetyltransferase YopJ | N-Acetylation | Not Available | 0 | 8 | RHEA |
| MMDBr0025707 | L-Serine | Uridine 5'-diphosphate | UDP-N-acetylglucosamine--peptide N-acetylglucosaminyltransferase GtfA subunit | Glycosylation | Not Available | 0 | 5 | RHEA |
| MMDBr0025755 | L-Serine | diphosphate | Enterobactin synthase component F | Synthesis | Not Available | 0 | 5 | RHEA |
| MMDBr0025756 | L-Serine | diphosphate | Vanchrobactin synthase VabF | Synthesis | Not Available | 0 | 2 | RHEA |
